<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }
        body{
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: rgb(240, 228, 228);
        }
        .quan{
            position: relative;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 3px solid rgb(246, 247, 248);
            box-shadow: 0 0 0 3px rgb(41, 134, 196);
           
        }
        .shui{
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgb(23, 106, 201);
            border-radius: 50%;
            overflow: hidden;
        }
        .shui::after{
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            width: 150%;
            height: 150%;   
            border-radius: 40%;
            background-color: rgb(240, 228, 228);
            animation: shi 5s linear infinite;
            
        }
        @keyframes shi{
            0%{
                transform: translate(-50%,-65%) rotate(0deg);
               
            }
            100%{
                transform: translate(-50%,-65%) rotate(360deg); 
              
            }
        }
        .shui::before{
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            width: 150%;
            height: 150%;   
            border-radius: 42%;
            background-color: rgb(240, 228, 228,0.2);
            animation: xu 7s linear infinite;
            
        }
        @keyframes xu{
            0%{
                transform: translate(-50%,-60%) rotate(0deg);
               
            }
            100%{
                transform: translate(-50%,-60%) rotate(360deg); 
              
            }
        }
    </style>
</head>
<body>
    <div class="quan">
      <div class="shui"></div>
    </div>
</body>
</html>
